Newly single mom Christina Aguilera hasn't gone into hiding.
She stepped out of a limo carrying son Max, 2, in Santa Monica, Calif. on Thursday -- hours after it was revealed she'd filed for divorce from Max's dad Jordan Bratman, her husband of five years.
PHOTOS: Christina and Jordan's romance
Little Max flashed a grin as his mom waved to photographers.
The singer, 29, filed divorce papers on Thursday, citing "irreconcilable differences" with music producer Bratman, 33. According to the documents, Aguilera seeks joint physical and legal custody of Max -- and seeks to terminate Bratman's ability to get child support.
PHOTOS: Adorable pics of little Max
Although she made no mention of divorce, Aguilera confirmed their separation to UsMagazine.com on Tuesday. "Although Jordan and I are separated, our commitment to our son Max remains as strong as ever," she said.
"Christina is doing her best to be a great mom," an insider close to the couple added to Us. "She has a lot to juggle, but she's learning how to make it work and balance it all."